SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function xxHash32 (children 1)
       ExpressionList (children 1)
        Function tuple (children 1)
         ExpressionList (children 4)
          Literal \'a\'
          Literal Array_[UInt64_1, UInt64_2, UInt64_3]
          Literal UInt64_4
          Function tuple (children 1)
           ExpressionList (children 4)
            Literal UInt64_4
            Literal Array_[\'foo\', \'bar\']
            Literal UInt64_1
            Literal Tuple_(UInt64_1, UInt64_2)
      Function toUInt32 (children 1)
       ExpressionList (children 1)
        Literal UInt64_1930126291